Worksheet
Q1. Explain the types of Plastids in brief.
Q2. Explain the functions and structure of Golgi bodies.
Q3. What is the function of Vacuoles in plant cell
Q4. Differentiate between plant cells and animal cells?
Q6. Why is Mitochondria called 'Powerhouse of the cell'?
Q7. What is the function of chromosomes?
Q8. Name the smallest cell in human body.
Q9. Which is the largest cell in human body?
Q10. Why Plant cells are more rigid than animal cells?
Q11. Explain the process of osmosis in detail.
Q12. Draw and label diagrams of plant cell and animal cell.
Answers
Answer:
1. The plastid is a major double major organelle found, among others, in the cells of plant and algae. plastid are the site of manufacture and storage of important chemical compound used by the cells.
2.the golgi body is an organelle found in most eukaryotic cell. The golgi body has an number of functions...
3.Nucleoid is an region of undefined nuclear region in cytoplasm of Prokaryotic cells , which contains chromatin structure which has the hereditary material of the cell.
4.A difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular. Plant cells have a rigid cell wall that surrounds the cell membrane. Animal cells do not have a cell wall.
6.LYSOSOMES are called suicide bags of the cell because digest materials taken up from outside the cell. ... LYSOSOMES HAVE DIGESTIVE ENZYMES. WHEN LYSOSOMES BURSTS DIGESTIVE ENZYMES DIGEST ITS OWN CELL.SO THEY ARE CALLED SUICIDAL BAGS OF THE CELL.
7.The Function of Chromosomes. Chromosomes are the thread-like structure found in the nuclei of both animal and plant cells. They are made of protein and one molecule of deoxyribonucleic acid (DNA). ... Chromosomes are important to this process to ensure the DNA.
8.The smallest cell in the human body is the sperm cell. These cells are small in volume. Head of the sperm cell measures about 4 micrometres in length, just a little bit smaller than a red blood cell (RBCs). The largest cell in the human body is Egg.
9.The largest cell in the human body is the female ovum.
10.The plant cells are more rigid compared to animal cells as they have cell wall. It provides rigidity as well as protection from outer environment. ... Similarly, when excess water enters cell, the plant cell swells but it do not burst due to presence of wall pressure.
11.An example of osmosis is slowly learning how to sew after sitting next to an experience seamstress. Osmosis is defined as the distribution of liquid with a low concentration flowing through a membrane into an area with a higher concentration resulting in the concentrations being equal on both sides.
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